Frac spread margins mostly were down over the past week, with the notable exception of ethane, which continues to improve after a lengthy run of less-than-profitable conditions. The margin to fractionate ethane at Mont Belvieu was up 5%, pushing the spread to 12￠/gal, the highest it has been in Texas since Oct. 8, 2008. Meanwhile, Conway's ethane margins were up 32%, pushing the spread to 8￠. Ethane prices have been able to remain stable for the past month and return to positive margins because of increased demand. Ethylene units have been brought back online over the past four to six weeks.
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机译：压裂价差的利润率在过去一周大多下降，但乙烷除外，乙烷在长期不盈利的情况下持续增长。 Mont Belvieu的乙烷分馏利润率增长了5％，将价差推升至12加仑/加仑，这是自2008年10月8日以来在德克萨斯州的最高价。与此同时，Conway的乙烷利润率增长了32％，将价差推高至8 ￠。乙烷价格过去一个月一直保持稳定，并由于需求增加而恢复正利润。在过去的四到六周内，乙烯装置已恢复在线。
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